SEMITEC Inrush current limiter Selection Guide
NTC thermistors Circuit protection components
选型目录：
NTC thermistors
Micro thin film thermistor
Micro thin film type sensor probe
Thin film thermistor
Very high accuracy thermistor
High accuracy thermistor
High sensitivity thermistor
High temperature, high sensitivity, glass encapsulated thermistor
High accuracy, SMD chip type thermistor
High temperature axial type thermistor
Non-contact (IR) temperature sensor
Current regulating diode
VRD voltage regulating diode
Inrush current limiter
THERMOPILE
24
■
Inrush current limiter
Power thermistors utilize the self heating characteristic of NTC thermistors which causes a significant decrease in resistance in a short time.
Power thermistors can be used instead of inrush current limiting resistors. Power thermistors have the advantage that their resistance
decreases through self heating which reduces power loss and results in energy savings.
UL1434 File No. E92669 (1D2-22 excluded) certified.
Power Thermistor
Color: Gray
Tin plated
soft copper wire
Straight
(1)
(1)
(1)
Clinched
Short clinched
5
TR
C
L
－
11
D2
5
T3C
L
－
11
D2
Packaging options
TR: Tray
(available for: D2-15, D2-18, D2-22)
No marking: In plastic bag
Resistance tolerance
L: ± 15%
Element (head part) diameter
Inrush current limiter series
Rated zero-power resistance (Ω) at 25 °C
Lead wire options
C: Clinched
D: Straight
CS: Short clinched
Taping options
T3C: Clinched taping
T3D: Straight taping
■
Product number explanation
■
Applications
■
Dimensions
■
Taping dimensions
Switching power supplies, adapters, LCD TVs, plasma TVs,
air conditioners, DVD players, audio equipment, LCD projectors,
copiers, PCs, printers, office automation equipment,
gaming machine power supplies
（Unit: mm）
D
T
H
H0
d
Lead wire
diameter
D2-05
8.5 max.
7.0 max.
11.5 max.
15.5 max.
5.0 ± 1
Φ 0.8
D2-07
11.0 max.
9.0 max.
13.0 max.
16.0 max.
D2-08
10.0 max.
7.0 max.
13.0 max.
17.0 max.
D2-10
13.0 max
9.0 max.
17.0 max.
19.5 max.
D2-11
11.5 max.
8.0 max.
15.0 max.
18.5 max.
7.5 ± 1
D2-13
14.5 max.
8.0 max.
18.0 max.
21.5 max.
D2-14
17.0 max.
9.0 max.
21.0 max.
22.5 max.
D2-15
16.5 max.
8.0 max.
20.0 max.
23.0 max
10 ± 1
Φ 1.0
（Φ 0.8）
D2-18
19.5 max.
8.0 max.
23.0 max.
26.0 max.
D2-22
23.0 max
8.5 max.
（8.0 max.
1
）
26.5 max.
29.5 max.
1
: 1D2-22
Unit: mm
Ｐ
Ｐ0
Ｐ1
Ｗ
Ｗ0
Ｗ1
Ｗ2
Ｈ1
Ｈ2
Ｌ
Ｆ1
Φ Ｄ0
ｔ
ｔ1
⊿ ｈ
D2-05
15.0 ± 1.0
15.0 ± 0.3
5.0 ± 0.7
17.5 to 19.0
min. 5.0
9.0 ± 0.5
max.3.0
16.0 ± 0.5
19.0 to 21.5
max. 1.0
5.0 ± 0.5
4.0 ± 0.2
0.6 ± 0.3
max. 1.5
0 ± 2.0
D2-07
D2-08
D2-10
D2-11
3.75 ± 0.7
7.5 ± 0.5
D2-13
30.0 ± 1.0
D2-14
◦ MOQ: 1000 pcs.
Unit: mm
5
6D 222
A E
5
3D 222
B V
5
16D211
AO
5
16D211
AO
(1): Do not apply force to the lead wire legs from the side as this may damage
the power thermistor.
25
■
Specifications
■
Caution
■
Reliability data
• When force is applied to the lead
wire the leg connections may break
or chipping may occur.
• May get hot during use. When
designing the environment around
the power thermistor be especially
careful with lead wire connections,
materials used in the direct vicinity
and the layout of other electrical
components.
• Do not use two or more power
thermistors in a row.
Product
number
Zero-power
resistance
at 25 °C
B value
1
Max.
current
Residual
resistance
Thermal
time
constant
2
Dissipation
factor
Operating
temp. range
Max. capacitance
Energy
surge
capacity
B
25/85
AC
AC
AC
AC
（± 15%）
（± 5%）
at 25 °C
100 V
120 V
220 V
240 V
（Ω）
（K）
（A）
（Ω）
（ｓ）
（mW / °C）
（°C）
（μF）
（μF）
（μF）
（μF）
（J）
5D2-05
5.0
2650
2.0
0.48
20
15
- 50 to 150
860
600
170
150
4.3
10D2-05
10.0
2700
1.0
0.91
20
7
- 50 to 150
860
600
170
150
4.3
20D2-05
20.0
2800
0.3
1.66
20
1
- 50 to 150
860
600
170
150
4.3
5D2-07
5.0
2800
3.0
0.36
35
30
- 40 to 160
400
260
80
60
1.9
8D2-07
8.0
2800
2.0
0.58
41
30
- 40 to 160
560
360
110
90
2.6
10D2-07
10.0
2800
2.0
0.72
45
30
- 40 to 160
680
470
140
110
3.3
12D2-07
12.0
2900
1.7
0.78
41
30
- 40 to 160
380
260
80
60
1.9
16D2-07
16.0
2900
2.0
1.04
45
30
- 40 to 160
800
530
160
130
3.8
22D2-07
22.0
2900
1.0
1.43
50
30
- 40 to 160
960
630
190
150
4.5
5D2-08
5.0
2700
3.0
0.35
35
22
- 50 to 170
1260
880
260
220
6.3
10D2-08
10.0
2800
2.0
0.63
35
17
- 50 to 170
1260
880
260
220
6.3
15D2-08
15.0
2800
2.0
0.94
35
26
- 50 to 170
2880
2000
590
500
14.0
20D2-08
20.0
2900
1.0
1.13
35
8
- 50 to 170
2880
2000
590
500
14.0
2D2-10
2.0
2800
5.0
0.15
50
32
- 40 to 160
640
1100
330
270
7.9
3D2-10
3.0
2800
4.0
0.22
53
32
- 40 to 160
720
1170
350
290
8.4
5D2-10
5.0
2900
4.0
0.33
53
32
- 40 to 160
440
970
290
240
7.0
8D2-10
8.0
2900
3.0
0.52
70
32
- 40 to 160
560
1070
320
260
7.7
10D2-10
10.0
2900
3.0
0.65
75
32
- 40 to 160
1640
1100
330
270
7.9
12D2-10
12.0
3000
1.8
0.71
53
32
- 40 to 160
830
580
170
140
4.1
16D2-10
16.0
3000
1.6
0.94
70
32
- 40 to 160
830
580
170
140
4.1
2D2-11
2.0
2650
5.0
0.15
40
26
- 50 to 170
2700
1880
550
470
13.0
3D2-11
3.0
2650
4.0
0.22
40
24
- 50 to 170
4830
3360
990
840
24.0
4D2-11
4.0
2700
4.0
0.28
40
31
- 50 to 170
2880
2000
590
500
14.0
5D2-11
5.0
2700
4.0
0.35
40
39
- 50 to 170
2700
1880
550
470
13.0
8D2-11
8.0
2800
3.0
0.50
40
31
- 50 to 170
2700
1880
550
470
13.0
10D2-11
10.0
2800
3.1
0.63
40
42
- 50 to 170
2880
2000
590
500
14.0
12D2-11
12.0
2800
2.0
0.75
40
21
- 50 to 170
4030
2800
830
700
20.0
15D2-11
15.0
2950
2.5
0.80
40
34
- 50 to 170
2880
2000
590
500
14.0
16D2-11
16.0
2950
2.5
0.86
40
37
- 50 to 170
2880
2000
590
500
14.0
20D2-11
20.0
3000
2.0
1.02
40
28
- 50 to 170
2880
2000
590
500
14.0
1D2-13
1.0
2650
6.0
0.06
55
12
- 50 to 200
860
600
170
150
4.3
2D2-13
2.0
2700
6.0
0.10
55
21
- 50 to 200
860
600
170
150
4.3
4D2-13
4.0
2800
5.0
0.18
55
24
- 50 to 200
860
600
170
150
4.3
4.7D2-13
4.7
2900
5.0
0.18
55
26
- 50 to 200
2700
1880
550
470
13.0
5D2-13
5.0
2900
5.0
0.19
55
27
- 50 to 200
2700
1880
550
470
13.0
8D2-13
8.0
3000
4.0
0.27
25
25
- 50 to 200
2880
2000
590
500
14.0
10D2-13
10.0
3050
4.0
0.32
55
29
- 50 to 200
2880
2000
590
500
14.0
12D2-13
12.0
3000
4.0
0.41
55
37
- 50 to 200
4830
3360
990
840
24.0
15D2-13
15.0
3050
3.0
0.48
55
25
- 50 to 200
4830
3360
990
840
24.0
16D2-13
16.0
3050
3.0
0.51
55
26
- 50 to 200
4830
3360
990
840
24.0
2D2-14
2.0
2800
5.0
0.15
90
36
- 40 to 160
4200
2890
860
720
20.8
3D2-14
3.0
2900
5.0
0.20
80
36
- 40 to 160
3080
2110
630
520
15.2
4D2-14
4.0
2900
5.0
0.26
95
36
- 40 to 160
3400
2350
700
580
16.9
5D2-14
5.0
2900
4.0
0.33
110
36
- 40 to 160
3600
2480
740
620
17.9
8D2-14
8.0
3000
2.5
0.47
80
36
- 40 to 160
1390
970
280
240
6.9
10D2-14
10.0
3000
2.2
0.59
95
36
- 40 to 160
1790
1240
370
310
8.9
12D2-14
12.0
3000
2.0
0.71
105
36
- 40 to 160
2190
1520
450
380
10.9
16D2-14
16.0
3000
1.8
0.94
115
36
- 40 to 160
2790
1940
570
480
13.9
1D2-15
1.0
2650
8.0
0.06
70
22
- 50 to 200
6910
4800
1420
1200
34.0
1.5D2-15
1.5
2650
8.0
0.08
70
29
- 50 to 200
6910
4800
1420
1200
34.0
2D2-15
2.0
2700
8.0
0.10
70
37
- 50 to 200
6910
4800
1420
1200
34.0
3D2-15
3.0
2800
7.0
0.13
70
36
- 50 to 200
4030
2800
830
700
20.0
4D2-15
4.0
2800
7.0
0.18
70
48
- 50 to 200
4030
2800
830
700
20.0
4.7D2-15
4.7
2900
6.0
0.18
70
37
- 50 to 200
4030
2800
830
700
20.0
5D2-15
5.0
2900
6.0
0.19
70
39
- 50 to 200
4030
2800
830
700
20.0
8D2-15
8.0
3000
5.0
0.27
70
39
- 50 to 200
4030
2800
830
700
20.0
10D2-15
10.0
3000
5.0
0.34
70
49
- 50 to 200
5760
4000
1190
1000
28.0
12D2-15
12.0
3050
5.0
0.39
70
54
- 50 to 200
5760
4000
1190
1000
28.0
15D2-15
15.0
3100
4.0
0.45
70
41
- 50 to 200
5760
4000
1190
1000
28.0
16D2-15
16.0
3100
4.0
0.48
70
44
- 50 to 200
5760
4000
1190
1000
28.0
4D2-18
4.0
2900
8.0
0.16
90
59
- 50 to 200
6910
4800
1420
1200
34.0
5D2-18
5.0
2950
8.0
0.18
90
66
- 50 to 200
6910
4800
1420
1200
34.0
8D2-18
8.0
3050
6.0
0.26
90
53
- 50 to 200
6910
4800
1420
1200
34.0
10D2-18
10.0
3100
6.0
0.30
90
62
- 50 to 200
6910
4800
1420
1200
34.0
47D2-18
47.0
3450
2.0
0.94
90
21
- 50 to 200
6910
4800
1420
1200
34.0
1D2-22
1.0
2900
12.0
0.04
125
32
- 50 to 200
8200
-
1700
-
41.0
3D2-22
3.0
2800
8.0
0.13
130
48
- 50 to 200
12600
8800
2610
2200
63.0
4D2-22
4.0
2900
8.0
0.16
130
59
- 50 to 200
12600
8800
2610
2200
63.0
6D2-22
6.0
3000
6.0
0.21
130
43
- 50 to 200
12600
8800
2610
2200
63.0
1
: In part reference values
2
: Reference values
Item
Test conditions
Criteria
Resistance to soldering heat
10 s at 260 °C
ΔR ± 15%
5 s at 350 °C
Solderability
3 s at 245 °C
Flux material: Rosin 25%, ethyl alcohol 75%
More than 95% soldered
Tensile strength (lead wire)
A load of 10 N is applied to the wire terminations in vertical
direction for 10 s.
ΔR ± 15%
Voltage proof
1000 V AC for one minute
Less than 1 mA
Insulation resistance
500 V DC
Over 100 MΩ
Dry heat
1000 hours at max. operating temperature for each product number
ΔR ± 20%
Damp heat
1000 hours at 40 °C and 90% humidity
ΔR ± 15%
Temperature cycle
(thermal shock)
10 cycles as below:
1. - 40 °C for 30 minutes
2. Room temperature for 5 minutes
3. 160 °C for 30 minutes
4. Room temperature for 5 minutes
Electrical load
Max. current for 1000 h at 25 °C room temperature
ΔR ± 20%
NTC thermistors Circuit protection components
选型目录：
NTC thermistors
Micro thin film thermistor
Micro thin film type sensor probe
Thin film thermistor
Very high accuracy thermistor
High accuracy thermistor
High sensitivity thermistor
High temperature, high sensitivity, glass encapsulated thermistor
High accuracy, SMD chip type thermistor
High temperature axial type thermistor
Non-contact (IR) temperature sensor
Current regulating diode
VRD voltage regulating diode
Inrush current limiter
THERMOPILE
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